Which is the main goal of gene therapy

Gene therapy replaces a faulty gene or adds a new gene in an attempt to cure disease or improve your body's ability to fight disease. Gene therapy holds promise for treating a wide range of diseases, such as cancer, cystic fibrosis, heart disease, diabetes, hemophilia and AIDS.

Explanation:

adds a new gene in an attempt to cure disease or improve your body's        ability to fight disease

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the insertion of a penis into a vagina.

jus cut em off ! dats all yhu can do